void
radeonReadPixels(struct gl_context * ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *pack, GLvoid * pixels)
{
radeonContextPtr radeon = RADEON_CONTEXT(ctx);
radeon_prepare_render(radeon);
if (do_blit_readpixels(ctx, x, y, width, height, format, type, pack, pixels))
return;
/* Update Mesa state before calling down into _swrast_ReadPixels, as
* the spans code requires the computed buffer states to be up to date,
* but _swrast_ReadPixels only updates Mesa state after setting up
* the spans code.
*/
radeon_print(RADEON_FALLBACKS, RADEON_NORMAL,
"Falling back to sw for ReadPixels (format %s, type %s)\n",
_mesa_lookup_enum_by_nr(format), _mesa_lookup_enum_by_nr(type));
if (ctx->NewState)
_mesa_update_state(ctx);
_swrast_ReadPixels(ctx, x, y, width, height, format, type, pack, pixels);
}
void
intelReadPixels(GLcontext * ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *pack, GLvoid * pixels)
{
if (INTEL_DEBUG & DEBUG_PIXEL)
fprintf(stderr, "%s\n", __FUNCTION__);
intelFlush(ctx);
intel_prepare_render(intel_context(ctx));
if (do_blit_readpixels
(ctx, x, y, width, height, format, type, pack, pixels))
return;
if (INTEL_DEBUG & DEBUG_PIXEL)
printf("%s: fallback to swrast\n", __FUNCTION__);
/* Update Mesa state before calling down into _swrast_ReadPixels, as
* the spans code requires the computed buffer states to be up to date,
* but _swrast_ReadPixels only updates Mesa state after setting up
* the spans code.
*/
if (ctx->NewState)
_mesa_update_state(ctx);
_swrast_ReadPixels(ctx, x, y, width, height, format, type, pack, pixels);
}
void
radeonReadPixels(struct gl_context * ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *pack, GLvoid * pixels)
{
radeonContextPtr radeon = RADEON_CONTEXT(ctx);
radeon_prepare_render(radeon);
if (do_blit_readpixels(ctx, x, y, width, height, format, type, pack, pixels))
return;
/* Update Mesa state before calling _mesa_readpixels().
* XXX this may not be needed since ReadPixels no longer uses the
* span code.
*/
radeon_print(RADEON_FALLBACKS, RADEON_NORMAL,
"Falling back to sw for ReadPixels (format %s, type %s)\n",
_mesa_lookup_enum_by_nr(format), _mesa_lookup_enum_by_nr(type));
if (ctx->NewState)
_mesa_update_state(ctx);
_mesa_readpixels(ctx, x, y, width, height, format, type, pack, pixels);
}
void
intelReadPixels(struct gl_context * ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *pack, GLvoid * pixels)
{
struct brw_context *brw = brw_context(ctx);
bool dirty;
DBG("%s\n", __FUNCTION__);
if (_mesa_is_bufferobj(pack->BufferObj)) {
/* Using PBOs, so try the BLT based path. */
if (do_blit_readpixels(ctx, x, y, width, height, format, type, pack,
pixels)) {
return;
}
perf_debug("%s: fallback to CPU mapping in PBO case\n", __FUNCTION__);
}
/* glReadPixels() wont dirty the front buffer, so reset the dirty
* flag after calling intel_prepare_render(). */
dirty = brw->front_buffer_dirty;
intel_prepare_render(brw);
brw->front_buffer_dirty = dirty;
/* Update Mesa state before calling _mesa_readpixels().
* XXX this may not be needed since ReadPixels no longer uses the
* span code.
*/
if (ctx->NewState)
_mesa_update_state(ctx);
_mesa_readpixels(ctx, x, y, width, height, format, type, pack, pixels);
/* There's an intel_prepare_render() call in intelSpanRenderStart(). */
brw->front_buffer_dirty = dirty;
}
